JP5812925B2 - 電子機器 - Google Patents
電子機器 Download PDFInfo
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- JP5812925B2 JP5812925B2 JP2012091118A JP2012091118A JP5812925B2 JP 5812925 B2 JP5812925 B2 JP 5812925B2 JP 2012091118 A JP2012091118 A JP 2012091118A JP 2012091118 A JP2012091118 A JP 2012091118A JP 5812925 B2 JP5812925 B2 JP 5812925B2
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Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17857—Geometric disposition, e.g. placement of microphones
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
- G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
- G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/03—Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/01—Hearing devices using active noise cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/13—Hearing devices using bone conduction transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Telephone Set Structure (AREA)
- Business, Economics & Management (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Marketing (AREA)
- Accounting & Taxation (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Telephone Function (AREA)
Description
図3は第1の実施形態に係る電子機器1の実装構造を示す図である。図3(a)は正面図、図3(b)は図3(a)におけるb−b線に沿った断面図である。図3に示す電子機器1はパネル10としてガラス板であるタッチパネルが筐体60(例えば金属や樹脂のケース)の前面に配されたスマートフォンである。パネル10及び入力部40は筐体60に支持され、表示部20および圧電素子30は、それぞれ接合部材70によりパネル10に接着されている。接合部材70は、熱硬化性あるいは紫外線硬化性等を有する接着剤や両面テープ等であり、例えば無色透明のアクリル系紫外線硬化型接着剤である光学弾性樹脂でもよい。パネル10、表示部20および圧電素子30は、それぞれ略長方形状である。
図5は第2の実施形態に係る電子機器1の実装構造を示す図である。図5(a)は正面図、図5(b)は図5(a)におけるb−b線に沿った断面図、図5(c)は図5(a)におけるc−c線に沿った断面図である。図5に示す電子機器1はパネル10として表示部20を保護するカバーパネル(アクリル板)が上側の筐体60の前面に配された折りたたみ式の携帯電話である。第2の実施形態では、パネル10と圧電素子30との間には、補強部材80が配置される。補強部材80は、例えば樹脂製の板、板金またはガラス繊維を含む樹脂製の板である。すなわち、第2の実施形態に係る電子機器1は、圧電素子30と補強部材80とが接合部材70により接着され、さらに補強部材80とパネル10とが接合部材70により接着される構造である。また、第2の実施形態では、表示部20は、パネル10に接着されるのではなく、筐体60によって支持されている。すなわち、第2の実施形態に係る電子機器1は、表示部20がパネル10と離間しており、表示部20と筐体60の一部である支持部90とが接合部材70により接着される構造である。なお、支持部90は、筐体60の一部としての構成に限定されず、金属や樹脂等により筐体60から独立した部材として構成することが可能である。また、スピーカー62は、筐体60内部に配置され、特に、パネル10と対向する背面側に配置される。なお、スピーカー62の放音口には、防水用部材を設けても良い。
10 パネル(振動板)
20 表示部
30 圧電素子
40 入力部
50 制御部
42 マイク
61 送受信部
62 スピーカー(気導音低減部)
60 筐体
70 接合部材
80 補強部材
90 支持部
Claims (11)
- 圧電素子と、該圧電素子により振動する振動板と、該振動板を保持する筐体とを備え、
前記圧電素子の長辺方向において該圧電素子の直上がその周囲と比較して最も高く隆起するように、前記圧電素子によって前記振動板が曲げられ、当該振動板に接触している人体の接触部位が振動して、気導音と人体の一部を振動させて伝える振動音とを発生させる電子機器において、
さらに前記気導音の一部あるいは全部を聞こえにくくする気導音低減部を備える電子機器。 - 前記気導音低減部は、前記振動音の再生中に、前記振動音とは異なるマスキング音を再生するスピーカーを含む、請求項1に記載の電子機器。
- 前記気導音低減部は、前記振動音の再生中に、前記振動音の逆位相である逆位相音を再生するスピーカーを含む、請求項1に記載の電子機器。
- 前記マスキング音は、人の話し声、動物の鳴き声を含む、請求項2に記載の電子機器。
- 前記マスキング音は、2kHz以上の周波数を有する音を含む、請求項2又は4に記載の電子機器。
- 前記スピーカーは、前記振動板の人体に接触させる側とは逆側に放音するように配置されている、請求項2乃至5のいずれか一項に記載の電子機器。
- 前記振動板の人体に接触可能な領域は、人間の耳の耳珠から対耳輪までの長さ以上の横幅、および耳珠から対耳輪下脚までの長さを超える縦幅を有する、請求項1乃至6のいずれか一項に記載の電子機器。
- 前記振動板の人体に接触可能な領域は、人間の耳の耳珠から対耳輪までの長さ以上の横幅、および耳輪から耳垂までの長さを超える縦幅を有する、請求項1乃至6のいずれか一項に記載の電子機器。
- 前記振動板は前記筐体に接合部材により接合されている、請求項1乃至8のいずれか一項に記載の電子機器。
- 前記圧電素子は、前記振動板に接合部材により接合されている、請求項1乃至9のいずれか一項に記載の電子機器。
- 前記圧電素子は、前記振動板に、補強部材を介して接合部材により接合されている、請求項1乃至9のいずれか一項に記載の電子機器。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012091118A JP5812925B2 (ja) | 2012-04-12 | 2012-04-12 | 電子機器 |
US14/374,646 US9392371B2 (en) | 2012-04-12 | 2013-04-12 | Electronic device |
PCT/JP2013/002526 WO2013153827A1 (ja) | 2012-04-12 | 2013-04-12 | 電子機器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012091118A JP5812925B2 (ja) | 2012-04-12 | 2012-04-12 | 電子機器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013218248A JP2013218248A (ja) | 2013-10-24 |
JP5812925B2 true JP5812925B2 (ja) | 2015-11-17 |
Family
ID=49327410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012091118A Expired - Fee Related JP5812925B2 (ja) | 2012-04-12 | 2012-04-12 | 電子機器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9392371B2 (ja) |
JP (1) | JP5812925B2 (ja) |
WO (1) | WO2013153827A1 (ja) |
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